<html>
    <head>
        <meta charset="utf8" />
        <title>首页</title>
        <style type="text/css">
            .all{
                padding:0px;
            }
            .jump{
                margin-top:30px;
                margin:0 auto;
                width:100px;
                height: 100px;
                text-decoration: none
            }
        </style>
    </head>
    <body>
        <div class="all">
            <div class="jump">
                <a href="./add_activity.html"  />
                添加活动
            </div>

            <div   class="jump" >
                <a href="./config.html"  />
                配置海报
            </div>

            <div  class="jump"  >
                <a href="./upload.html"  />
                上传海报
            </div>
        </div>
    </body>
</html>